GPU Comparison

A

AMD

RADEON

AMD Radeon 660M

CORE STATE Rembrandt

VRAM System Shared

CLOCK SPEED 1900 MHz

TDP 40 W

BUS WIDTH System Shared

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

GeForce GTX 1660

CORE STATE TU116

VRAM 6 GB

CLOCK SPEED 1785 MHz

TDP 120 W

BUS WIDTH 192 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

57,988

geekbench_vulkan

14,748

55,845

3dmark_3dmark_steel_nomad_dx12

N/A

1,065

passmark_directx_10

N/A

61

passmark_directx_11

N/A

79

passmark_directx_12

N/A

49

passmark_directx_9

N/A

177

passmark_g2d

N/A

776

passmark_g3d

N/A

11,646

passmark_gpu_compute

N/A

4,963

DETAILED SPECIFICATIONS

SPECIFICATION

660M

GTX 1660

Core Specs

Shading Units

384

1,408 +266.7%

Shaders

384

1,408 +266.7%

TMUs

24

88 +266.7%

ROPs

16

48 +200.0%

Compute Units

6

—

SM Count

—

22

Clocks

Base Clock

1500 MHz

1530 MHz

Boost Clock

1900 MHz

1785 MHz

Memory Clock

System Shared

2001 MHz 8 Gbps effective

Memory

Memory Size

System Shared

6 GB

VRAM (MB)

—

6,144

Memory Type

System Shared

GDDR5

Memory Bus

System Shared

192 bit

Bandwidth

System Dependent

192.1 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SM)

L2 Cache

2 MB

1536 KB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

85.68 GPixel/s

Texture Rate

45.60 GTexel/s

157.1 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

5.027 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

157.1 GFLOPS (1:32)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

10.05 TFLOPS (2:1)

AI/RT

RT Cores

6

—

Power

TDP

40 W

120 W

TDP (W)

40

120 +200.0%

Suggested PSU

—

300 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

RDNA 2.0

Turing

GPU Name

Rembrandt

TU116

Generation

Navi II IGP (Rembrandt Mobile)

GeForce 16

Process Size

6 nm

12 nm

Transistors

13,100 million

6,600 million

Die Size

208 mm²

284 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

23.2M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

CUDA

—

7.5

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

—

219 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

GeForce 10

Successor

Navi III IGP

GeForce 20

View Radeon 660M Details View GeForce GTX 1660 Details